Daikin B-Series Service Manual page 173

Indoor Unit
Step
9 Press the receiver units
down and release the
claws on the upper
side, and then undo the
claws on the lower side.
Cut the clamp.
10
11 The receiver units
contain four PCBs.
Remove each PCB with
releasing claws.
Disconnect every
connector from each
PCB.
12 Cut the clamp.
162
Procedure
Si04-306E
Points
Release the claws on the
upper side.
Remove the receiver units
while pushing the claws of
connectors.
Clamps should be always
available.
Fix it as it was before.
Removal Procedure